20256540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337609}}^1$

素因数の和:337621

約数の個数: 24

約数和(自身を含む): 56718480

約数和(自身を除く): 36461940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337609, 675218, 1012827, 1350436, 1688045, 2025654, 3376090, 4051308, 5064135, 6752180, 10128270, 20256540]

約数ペア:

[(1, 20256540), (2, 10128270), (3, 6752180), (4, 5064135), (5, 4051308), (6, 3376090), (10, 2025654), (12, 1688045), (15, 1350436), (20, 1012827), (30, 675218), (60, 337609)]